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You are reading an older version of this FlexBook® textbook: CK-12 Earth Science Concepts For Middle School Go to the latest version.

11.14: Roles in an Ecosystem

Difficulty Level: Basic Created by: CK-12
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Vocabulary

carnivore

carnivore

Animals that only eat other animals for food.
chemosynthesis

chemosynthesis

Process in which a producer makes food energy from chemicals.
consumer

consumer

Organism that uses other organisms for food energy.
decomposer

decomposer

Organism that breaks down the tissues of a dead organism into its various components, including nutrients, which can be used by other organisms.
grazer

grazer

Organisms that feeds on other organisms without killing them.
herbivore

herbivore

Animal that only eats producers.
omnivore

omnivore

Organism that consumes both producers and other consumers for food.
photosynthesis

photosynthesis

Process in which a producer makes food energy from sunlight.
predator

predator

Animal that lives by killing and eating other animals.
prey

prey

Animal that could be killed and eaten by a predator.
producer

producer

Organism that converts energy into food energy.
scavenger

scavenger

Animals that eat animals that are already dead.

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Description

Difficulty Level:

Basic

Grades:

6 , 7

Date Created:

Jan 04, 2013

Last Modified:

Jun 16, 2015
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SCI.ESC.812.L.2

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